RUBBER COMPOSITION INCLUDING CONJUGATED DIENE POLYMER AND OLEFIN POLYMER AND TIRE USING SAME
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United States of America Patent
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Dec 28, 2015
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Jan 9, 2015
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Abstract
The present invention relates to: a rubber composition comprising a matrix of a nonpolar conjugated diene polymer in which domains formed from an olefin polymer are dispersed, the matrix and the domain having an interface therebetween in which a chemical bond exists after vulcanization, the domain having a dynamic compressive complex elastic modulus (Ec*) of 10 MPa or less; or a rubber composition comprising a matrix of a nonpolar conjugated diene polymer in which domains formed from an olefin polymer are dispersed, the matrix and the domain having an interface therebetween in which a chemical bond exists after vulcanization, with an average distance between the domains of 2 μm or less. A rubber composition for improving the ozone resistance and a tire having improved ozone resistance are provided.
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